What Makes Multiseal® Low Friction Seals Seals Better?
  • A better seal – The multi-lobed design provides more sealing surfaces than standard O-Rings.
  • Increases life for the seal ring – With multiple seal points, less squeeze is required to provide an effective seal. This means less friction and wear which will increase seal life and lower maintenance costs.
  • Prevents spiral failure – The square cross sections resist distortion called “spiral twist” that may be encountered when using O-Rings.
  • Puts parting lines where they belong – Unlike an O-Ring, where the parting line is found on the only sealing surface, the parting lines of Multiseal® low friction seals and X-Ring compression seals are located in the center of the cross section away from the primary sealing surfaces.
  • Better lubricant retention – The grooves on the inside and outside diameter of these rings retain lubricant thereby lowering friction and extending packing life.
  • Saves space, reduces cost – One Multiseal® low friction seal can replace two U-Cups in many applications.
  • Less force, better seal – Lower breakaway force and reduced operating pressures make them ideal in reciprocating applications.
  • The right fit – Multiseal® low friction seals will fit in standard O-Ring grooves
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Item #

C/S (inches)

C/S Tol +/-

I.D. (inches)

I.D. Tol +/-

O.D. (REF) (inches)

Nominal C/S (inches)

Nominal I.D. (inches)

Nominal O.D. (inches)

4-006 N/A .070 N/A .003 N/A .114 N/A .005 N/A .254 N/A 1/16 N/A 1/8 N/A 1/4
4-007 N/A .070 N/A .003 N/A .145 N/A .005 N/A .285 N/A 1/16 N/A 5/32 N/A 9/32
4-008 N/A .070 N/A .003 N/A .176 N/A .005 N/A .316 N/A 1/16 N/A 3/16 N/A 5/16
4-009 N/A .070 N/A .003 N/A .208 N/A .005 N/A .348 N/A 1/16 N/A 7/32 N/A 11/32
4-010 N/A .070 N/A .003 N/A .239 N/A .005 N/A .379 N/A 1/16 N/A 1/4 N/A 3/8
4-011 N/A .070 N/A .003 N/A .301 N/A .005 N/A .441 N/A 1/16 N/A 5/16 N/A 7/16
4-012 N/A .070 N/A .003 N/A .364 N/A .005 N/A .504 N/A 1/16 N/A 3/8 N/A 1/2
4-013 N/A .070 N/A .003 N/A .426 N/A .005 N/A .566 N/A 1/16 N/A 7/16 N/A 9/16
4-014 N/A .070 N/A .003 N/A .489 N/A .005 N/A .629 N/A 1/16 N/A 1/2 N/A 5/8
4-015 N/A .070 N/A .003 N/A .551 N/A .007 N/A .691 N/A 1/16 N/A 9/16 N/A 11/16
4-016 N/A .070 N/A .003 N/A .614 N/A .009 N/A .754 N/A 1/16 N/A 5/8 N/A 3/4
4-017 N/A .070 N/A .003 N/A .676 N/A .009 N/A .816 N/A 1/16 N/A 11/16 N/A 13/16
4-018 N/A .070 N/A .003 N/A .739 N/A .009 N/A .879 N/A 1/16 N/A 3/4 N/A 7/8
4-019 N/A .070 N/A .003 N/A .801 N/A .009 N/A .941 N/A 1/16 N/A 13/16 N/A 15/16
4-020 N/A .070 N/A .003 N/A .864 N/A .009 N/A 1.004 N/A 1/16 N/A 7/8 N/A 1
4-021 N/A .070 N/A .003 N/A .926 N/A .009 N/A 1.066 N/A 1/16 N/A 15/16 N/A 1 1/16
4-022 N/A .070 N/A .003 N/A .989 N/A .010 N/A 1.129 N/A 1/16 N/A 1 N/A 1 1/8
4-024 N/A .070 N/A .003 N/A 1.114 N/A .010 N/A 1.254 N/A 1/16 N/A 1 1/8 N/A 1 1/4
4-028 N/A .070 N/A .003 N/A 1.364 N/A .013 N/A 1.504 N/A 1/16 N/A 1 3/8 N/A 1 1/2
4-029 N/A .070 N/A .003 N/A 1.489 N/A .013 N/A 1.629 N/A 1/16 N/A 1 1/2 N/A 1 5/8
4-036 N/A .070 N/A .003 N/A 2.364 N/A .018 N/A 2.504 N/A 1/16 N/A 2 3/8 N/A 2 1/2
4-039 N/A .070 N/A .003 N/A 2.739 N/A .020 N/A 2.879 N/A 1/16 N/A 2 3/4 N/A 2 7/8
4-043 N/A .070 N/A .003 N/A 3.489 N/A .024 N/A 3.629 N/A 1/16 N/A 3 1/2 N/A 3 5/8
4-044 N/A .070 N/A .003 N/A 3.739 N/A .027 N/A 3.879 N/A 1/16 N/A 3 3/4 N/A 3 7/8
4-109 N/A .103 N/A .003 N/A .299 N/A .005 N/A .505 N/A 3/32 N/A 5/16 N/A 1/2
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